index.3, stpcpy.3, strcasecmp.3, strcat.3, strchr.3, strcmp.3, strcoll.3, strcpy...

index.3, stpcpy.3, strcasecmp.3, strcat.3, strchr.3, strcmp.3, strcoll.3, strcpy.3, strdup.3, strfry.3, strpbrk.3, strsep.3, strspn.3, strstr.3, strtok.3, strxfrm.3: SEE ALSO: Add reference to string(3)

The idea here is to provide a route to discover other
string functions.

Reported-by: Mark Hills <mark@pogo.org.uk>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>